Multiple Choice Questions on Steam Boilers and EnginesThe Following Section consists of Multiple Choice Questions on Steam Boilers and Engines. Take the test on Steam Boilers and Engines problems.
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Steam Boilers and Engines MCQ
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Question 1 of 20
1. Question
1 pointsThe object of producing draught in a boiler is
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Question 2 of 20
2. Question
1 pointsIn a glass rube type water indicator for a boiler, one end of the tube is connected to water space and the other end is connected to
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Question 3 of 20
3. Question
1 pointsIn water tube boilers
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Question 4 of 20
4. Question
1 pointsWhich of the following statement is wrong ?
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Question 5 of 20
5. Question
1 pointsWhich of the following statement is correct for a compound steam engine ?
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Question 6 of 20
6. Question
1 pointsWhen the speed of the crankshaft is between 100 r.p.m. and 250 r.p.m., the engine said to be a
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Question 7 of 20
7. Question
1 pointsThe natural draught is produced by
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Question 8 of 20
8. Question
1 pointsWillian’s line for the steam engine is a straight line relationship between the steam consumption per hour and
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Question 9 of 20
9. Question
1 pointsWhich of the following statement is correct ?
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Question 10 of 20
10. Question
1 pointsA device used to increase the temperature of saturated steam without raising its pressure, is called
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Question 11 of 20
11. Question
1 pointsThe diameter of flue tube in a Cornish boiler is __________ that of the shell.
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Question 12 of 20
12. Question
1 pointsFire tube boilers are
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Question 13 of 20
13. Question
1 pointsA safety valve usually employed with stationary boilers is
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Question 14 of 20
14. Question
1 pointsThe draught produced by a steam jet issuing from a nozzle placed in the ashpit under the fire grate of the furnace is called
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Question 15 of 20
15. Question
1 pointsWhich of the following statement is wrong ?
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Question 16 of 20
16. Question
1 pointsThe function of a crosshead is to guide motion of the __________ and to prevent it from bending.
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Question 17 of 20
17. Question
1 pointsThe cylinder dimensions of a compound engine may be designed on the basis of
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Question 18 of 20
18. Question
1 pointsThe function of a piston rod is
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Question 19 of 20
19. Question
1 pointsAn air preheater is installed
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Question 20 of 20
20. Question
1 pointsThe length of shell of a Locomotive boiler is
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Steam Boilers and Engines MCQ 2
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Question 1 of 20
1. Question
1 pointsIn a uniflow engine
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Question 2 of 20
2. Question
1 pointsThe shell diameter of a Locomotive boiler is
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Question 3 of 20
3. Question
1 pointsThe power of a boiler may be defined as
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Question 4 of 20
4. Question
1 pointsWhen the circulation of water, in a boiler, is by a centrifugal pump, then the boiler is known as
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Question 5 of 20
5. Question
1 pointsThe function of a safety valve is
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Question 6 of 20
6. Question
1 pointsA double acting steam engine with a cylinder diameter of 190 mm and a stroke of 300 mm has a cut-off of 0.35. The expansion ratio for this engine is nearly
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Question 7 of 20
7. Question
1 pointsThe aim of a compound steam engine is
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Question 8 of 20
8. Question
1 pointsThe average operating pressure of Benson boiler is
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Question 9 of 20
9. Question
1 pointsThe diameter of Cornish boiler varies from
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Question 10 of 20
10. Question
1 pointsA single acting steam engine produces __________ power than that of double acting steam engine.
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Question 11 of 20
11. Question
1 pointsThe function of a flywheel is
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Question 12 of 20
12. Question
1 pointsThe rate of steam produced in Benson boiler is
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Question 13 of 20
13. Question
1 pointsCut-off governing of steam engines is a method of controlling the engine output by varying
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Question 14 of 20
14. Question
1 pointsIn a boiler, feed water supplied per hour is 205 kg while coal fired per hour is 23 kg. The net enthalpy rise per kg of water is 145 kJ. If the calorific valve of the coal is 2050 kJ/kg, then the boiler efficiency will be
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Question 15 of 20
15. Question
1 pointsA safety valve mainly used with locomotive and marine boilers is
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Question 16 of 20
16. Question
1 pointsWhich of the following boiler is best suited to meet the fluctuating demand of steam ?
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Question 17 of 20
17. Question
1 pointsWhich of the following statement is correct ?
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Question 18 of 20
18. Question
1 pointsA compound steam engine in which the high pressure and low pressure cylinders have common piston rod, is called
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Question 19 of 20
19. Question
1 pointsBesides mean effective pressure, the data required to determine the indicated power of an engine include
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Question 20 of 20
20. Question
1 pointsA device in which some portion of waste heat of flue gases is recovered to heat the air before it passes to the furnace for combustion purpose, is knwon as
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Steam Boilers and Engines MCQ 3
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Question 1 of 20
1. Question
1 pointsThe diagram factor is the ratio of the
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Question 2 of 20
2. Question
1 pointsCut-off ratio is the ratio of
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Question 3 of 20
3. Question
1 pointsWhich of the following is a water tube boiler ?
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Question 4 of 20
4. Question
1 pointsThe number of fire tubes in a Cochran boiler are
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Question 5 of 20
5. Question
1 pointsThe actual power supplied by the engine crankshaft is called
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Question 6 of 20
6. Question
1 pointsThe draught produced by a steam jet issuing from a nozzle placed in the chimney is called
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Question 7 of 20
7. Question
1 pointsThe chimney draught varies with
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Question 8 of 20
8. Question
1 pointsThe relative efficiency is defined as the
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Question 9 of 20
9. Question
1 pointsLancashire boiler has __________ internal flue tubes.
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Question 10 of 20
10. Question
1 pointsWhen steam after doing work in the cylinder passes into a condenser, the engine is said to be a
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Question 11 of 20
11. Question
1 pointsThe equivalent evaporation is defined as
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Question 12 of 20
12. Question
1 pointsLocomotive boiler is a
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Question 13 of 20
13. Question
1 pointsA closed vessel made of steel and used for the generation of steam is called a
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Question 14 of 20
14. Question
1 pointsAn economiser is installed in a boiler primarily to
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Question 15 of 20
15. Question
1 pointsThe theoretical indicator diagram of a simple steam engine is based upon the assumption that
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Question 16 of 20
16. Question
1 pointsLancashire boiler is
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Question 17 of 20
17. Question
1 pointsThe diameter of a cylindrical shell of a Scotch marine boiler varies from
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Question 18 of 20
18. Question
1 pointsThe missing quantity per stroke is equal to
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Question 19 of 20
19. Question
1 pointsA compound steam engine in which piston rods of high pressure and low pressure cylinders ‘ are attached to two different cranks set at 180° to each other, is called
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Question 20 of 20
20. Question
1 pointsThe heat balance sheet for the boiler shows the
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Steam Boilers and Engines MCQ 4
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Question 1 of 20
1. Question
1 pointsThe performance of a boiler is measured by the
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Question 2 of 20
2. Question
1 pointsThe performance of a boiler is measured by the
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Question 3 of 20
3. Question
1 pointsBenson boiler requires
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Question 4 of 20
4. Question
1 pointsThe high pressure and low pressure cylinders in a Tandem type compound engine are regarded as having cranks
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Question 5 of 20
5. Question
1 pointsThe fire tubes in a Cochran boiler usually have __________ diameter.
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Question 6 of 20
6. Question
1 pointsCut-off governing as compared to throttle governing is
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Question 7 of 20
7. Question
1 pointsThrottle governing of steam engines is a method of controlling the engine output by varying
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Question 8 of 20
8. Question
1 pointsExpansion ratio is the ratio of
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Question 9 of 20
9. Question
1 pointsIn cross compounding, the cylinders are arranged
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Question 10 of 20
10. Question
1 pointsA device used in a boiler to control the flow of steam from the boiler to the main pipe and to shut off the steam completely when required, is known as
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Question 11 of 20
11. Question
1 pointsThe high steam and low water safety valve is used to blow off steam when the
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Question 12 of 20
12. Question
1 pointsIn a Tandem type compound engine, the high pressure and low pressure cylinders
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Question 13 of 20
13. Question
1 pointsLancashire boiler is used where working pressure and power required are
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Question 14 of 20
14. Question
1 pointsThe cylinder condensation or missing quantity may be reduced by
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Question 15 of 20
15. Question
1 pointsThe actual vacuum in a condenser is equal to
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Question 16 of 20
16. Question
1 pointsThe selection of type and size of a steam boiler depends upon
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Question 17 of 20
17. Question
1 pointsThe high pressure and low pressure cylinders in a receiver type compound engine are regarded as having cranks
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Question 18 of 20
18. Question
1 pointsThe main object of a boiler trial is
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Question 19 of 20
19. Question
1 pointsThe artificial draught is produced by
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Question 20 of 20
20. Question
1 pointsBlow off cock in a boiler is used to
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